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Columbia-Pacific Northwest Region

Columbia River Basin in Idaho, Oregon, Washington,
Montana & Wyoming

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Maps

03/2019 CPN Regional Map (PDF 11.06 mb)
12/2008 Columbia Basin Project Map (PDF 1.95 mb)


Contact
Grand Coulee Visitor Center
(509) 633-9265
pninfo@usbr.gov


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Last Updated: 9/28/23

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U.S. Department of the Interior - Bureau of Reclamation